package com.atguigu.gulimall.product.exception;


import com.atguigu.common.exception.BizCodeEnume;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 集中处理所有异常
 */
@Slf4j
@RestControllerAdvice
@ControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {


    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleVaildException(MethodArgumentNotValidException e) {
        BindingResult bindingResult = e.getBindingResult();
        List<FieldError> fieldErrors = bindingResult.getFieldErrors();
        Map<String, String> map = new HashMap<>();
        fieldErrors.forEach((item) -> {
            map.put(item.getField(), item.getDefaultMessage());
        });
//        log.error("数据校验出现问题：{}，异常类型：{}", e.getMessage(), e.getClass());

        return R.error(BizCodeEnume.VALID_EXCEPTION.getCode(),BizCodeEnume.VALID_EXCEPTION.getMsg()).put("data", map);
    }


    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable) {
        log.error("错误",throwable);
        return R.error(BizCodeEnume.UNKNOWN_EXCEPTION.getCode(),BizCodeEnume.UNKNOWN_EXCEPTION.getMsg());
    }
}
